// Copyright 2013 The Chromium Authors. All rights reserved.
// Use of this source code is governed by a BSD-style license that can be
// found in the LICENSE file.

#ifndef CONTENT_BROWSER_FRAME_HOST_NAVIGATION_CONTROLLER_ANDROID_H_
#define CONTENT_BROWSER_FRAME_HOST_NAVIGATION_CONTROLLER_ANDROID_H_

#include <jni.h>

#include "base/android/scoped_java_ref.h"
#include "base/compiler_specific.h"
#include "base/macros.h"
#include "content/common/content_export.h"

namespace content {

class NavigationControllerImpl;

// Android wrapper around NavigationController that provides safer passage
// from java and back to native and provides java with a means of communicating
// with its native counterpart.
class CONTENT_EXPORT NavigationControllerAndroid {
public:
    static bool Register(JNIEnv* env);

    explicit NavigationControllerAndroid(
        NavigationControllerImpl* navigation_controller);
    ~NavigationControllerAndroid();

    NavigationControllerImpl* navigation_controller() const
    {
        return navigation_controller_;
    }

    base::android::ScopedJavaLocalRef<jobject> GetJavaObject();

    jboolean CanGoBack(JNIEnv* env,
        const base::android::JavaParamRef<jobject>& obj);
    jboolean CanGoForward(JNIEnv* env,
        const base::android::JavaParamRef<jobject>& obj);
    jboolean CanGoToOffset(JNIEnv* env,
        const base::android::JavaParamRef<jobject>& obj,
        jint offset);
    void GoBack(JNIEnv* env, const base::android::JavaParamRef<jobject>& obj);
    void GoForward(JNIEnv* env, const base::android::JavaParamRef<jobject>& obj);
    void GoToOffset(JNIEnv* env,
        const base::android::JavaParamRef<jobject>& obj,
        jint offset);
    jboolean IsInitialNavigation(JNIEnv* env,
        const base::android::JavaParamRef<jobject>& obj);
    void LoadIfNecessary(JNIEnv* env,
        const base::android::JavaParamRef<jobject>& obj);
    void ContinuePendingReload(JNIEnv* env,
        const base::android::JavaParamRef<jobject>& obj);
    void Reload(JNIEnv* env,
        const base::android::JavaParamRef<jobject>& obj,
        jboolean check_for_repost);
    void ReloadBypassingCache(JNIEnv* env,
        const base::android::JavaParamRef<jobject>& obj,
        jboolean check_for_repost);
    void RequestRestoreLoad(JNIEnv* env,
        const base::android::JavaParamRef<jobject>& obj);
    void CancelPendingReload(JNIEnv* env,
        const base::android::JavaParamRef<jobject>& obj);
    void GoToNavigationIndex(JNIEnv* env,
        const base::android::JavaParamRef<jobject>& obj,
        jint index);
    void LoadUrl(
        JNIEnv* env,
        const base::android::JavaParamRef<jobject>& obj,
        const base::android::JavaParamRef<jstring>& url,
        jint load_url_type,
        jint transition_type,
        const base::android::JavaParamRef<jstring>& j_referrer_url,
        jint referrer_policy,
        jint ua_override_option,
        const base::android::JavaParamRef<jstring>& extra_headers,
        const base::android::JavaParamRef<jobject>& j_post_data,
        const base::android::JavaParamRef<jstring>& base_url_for_data_url,
        const base::android::JavaParamRef<jstring>& virtual_url_for_data_url,
        const base::android::JavaParamRef<jstring>& data_url_as_string,
        jboolean can_load_local_resources,
        jboolean is_renderer_initiated,
        jboolean should_replace_current_entry);
    void ClearSslPreferences(
        JNIEnv* env,
        const base::android::JavaParamRef<jobject>& /* obj */);
    bool GetUseDesktopUserAgent(
        JNIEnv* env,
        const base::android::JavaParamRef<jobject>& /* obj */);
    void SetUseDesktopUserAgent(
        JNIEnv* env,
        const base::android::JavaParamRef<jobject>& /* obj */,
        jboolean state,
        jboolean reload_on_state_change);
    base::android::ScopedJavaLocalRef<jobject> GetEntryAtIndex(
        JNIEnv* env,
        const base::android::JavaParamRef<jobject>& obj,
        int index);
    base::android::ScopedJavaLocalRef<jobject> GetPendingEntry(
        JNIEnv* env,
        const base::android::JavaParamRef<jobject>& /* obj */);
    int GetNavigationHistory(JNIEnv* env,
        const base::android::JavaParamRef<jobject>& obj,
        const base::android::JavaParamRef<jobject>& history);
    void GetDirectedNavigationHistory(
        JNIEnv* env,
        const base::android::JavaParamRef<jobject>& obj,
        const base::android::JavaParamRef<jobject>& history,
        jboolean is_forward,
        jint max_entries);
    base::android::ScopedJavaLocalRef<jstring>
    GetOriginalUrlForVisibleNavigationEntry(
        JNIEnv* env,
        const base::android::JavaParamRef<jobject>& obj);
    void ClearHistory(JNIEnv* env,
        const base::android::JavaParamRef<jobject>& obj);
    int GetLastCommittedEntryIndex(
        JNIEnv* env,
        const base::android::JavaParamRef<jobject>& obj);
    jboolean RemoveEntryAtIndex(JNIEnv* env,
        const base::android::JavaParamRef<jobject>& obj,
        jint index);
    jboolean CanCopyStateOver(JNIEnv* env,
        const base::android::JavaParamRef<jobject>& obj);
    jboolean CanPruneAllButLastCommitted(
        JNIEnv* env,
        const base::android::JavaParamRef<jobject>& obj);
    void CopyStateFrom(JNIEnv* env,
        const base::android::JavaParamRef<jobject>& obj,
        jlong source_native_navigation_controller_android);
    void CopyStateFromAndPrune(JNIEnv* env,
        const base::android::JavaParamRef<jobject>& obj,
        jlong source_native_navigation_controller_android,
        jboolean replace_entry);
    base::android::ScopedJavaLocalRef<jstring> GetEntryExtraData(
        JNIEnv* env,
        const base::android::JavaParamRef<jobject>& obj,
        jint index,
        const base::android::JavaParamRef<jstring>& jkey);
    void SetEntryExtraData(JNIEnv* env,
        const base::android::JavaParamRef<jobject>& obj,
        jint index,
        const base::android::JavaParamRef<jstring>& jkey,
        const base::android::JavaParamRef<jstring>& jvalue);

private:
    NavigationControllerImpl* navigation_controller_;
    base::android::ScopedJavaGlobalRef<jobject> obj_;

    DISALLOW_COPY_AND_ASSIGN(NavigationControllerAndroid);
};

} // namespace content

#endif // CONTENT_BROWSER_FRAME_HOST_NAVIGATION_CONTROLLER_ANDROID_H_
